By the way, yourfreesurveys is currently hold a big contest. Why i said is big? Because the total prize is $300 cash via paypal. Here is the detail of the prize :
1 person get $75 prize
1 person get $50 prizes
3 person get $25 prizes
5 person get $10 prizes
10 person get $5 prizes
With total 20 person winner, you have a big chance to win. The contest is ended on 31st January 2010, so you need to hurry. More info : Contest Detail - Yourfreesurveys